Q: Is 1,727,820 a Composite Number?

Why is 1,727,820 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 1,727,820 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 29 30 36 45 58 60 87 90 116 145 174 180 261 290 331 348 435 522 580 662 870 993 1,044 1,305 1,324 1,655 1,740 1,986 2,610 2,979 3,310 3,972 4,965 5,220 5,958 6,620 9,599 9,930 11,916 14,895 19,198 19,860 28,797 29,790 38,396 47,995 57,594 59,580 86,391 95,990 115,188 143,985 172,782 191,980 287,970 345,564 431,955 575,940 863,910 and 1,727,820, with no remainder.

Since 1,727,820 cannot be divided by just 1 and 1,727,820, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).